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Details of extension .azw3

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .azw3 file?
  • Which program can create the .azw3 file?
  • Where can you find a description of the .azw3 format?
  • What can convert .azw3 files to a different format?
  • Which MIME-type is associated with the .azw3 extension?
Amazon Kindle Format 8 Ebook .azw3 file icon

Amazon Kindle Format 8 Ebook

The AZW3 file is an Amazon Kindle Format 8 Ebook. The Kindle Fire introduced the Kindle Format 8 Ebook (KF8). KF8 supports a subset of HTML5 and CSS3 features, while also acting as a container for a backwards-compatible MOBI content document.
Category: Ebook files
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
az3, kf8
Related extensions:
.cbz ZIP Compressed Comic Book
.mbpv2 Amazon Kindle Annotations Data
.azw3r Amazon Kindle Format 8 Ebook Metadata
.dnl DNAML E-book
.azw6 Amazon Kindle Ebook

Other types of files may also use the .azw3 file extension. If you have helpful information about .azw3 extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

.az3 Amazon Kindle Format 8 Ebook
.azw Amazon Kindle eBook
.zw3 EPLAN Project Backup

The .azw3 filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

azw (1)

Can't open a .azw3 file?

If you want to open a .azw3 file on your computer, you just need to have the appropriate program installed. If the .azw3 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.azw3

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android